riscv: compat: vdso: Add setup additional pages implementation
authorGuo Ren <guoren@linux.alibaba.com>
Tue, 5 Apr 2022 07:13:11 +0000 (15:13 +0800)
committerPalmer Dabbelt <palmer@rivosinc.com>
Tue, 26 Apr 2022 20:36:59 +0000 (13:36 -0700)
commit3092eb45637573c5e435fbf5eaf9516316e5f9c6
tree691afea1c0f46273031964890e7e5bce292ee906
parent0715372a06ce17a9ba69bbec306ddf30c4bad99e
riscv: compat: vdso: Add setup additional pages implementation

Reconstruct __setup_additional_pages() by appending vdso info
pointer argument to meet compat_vdso_info requirement. And change
vm_special_mapping *dm, *cm initialization into static.

Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Palmer Dabbelt <palmer@rivosinc.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20220405071314.3225832-18-guoren@kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
arch/riscv/include/asm/elf.h
arch/riscv/include/asm/mmu.h
arch/riscv/kernel/vdso.c